Materials Science
- Materials Science
Invisibility cloaks slim down
A new invisibility cloak offers more stealth in a thinner package.
- Materials Science
Electron waves refract negatively
Waves of electrons have been bent backward in a sheet of graphene, allowing physicists to focus electrons the way a lens focuses light.
- Materials Science
Graphene shows signs of superconductivity
Ultrathin sheets of carbon can conduct electrical current with no resistance at low temperatures.
- Materials Science
Nanogenerators harvest body’s energy to power devices
Nanogenerators offer body-harvested energy to fuel bionic future
- Materials Science
Buckyballs turn on copper’s magnetism
Exposure to buckyballs bestows ironlike magnetic properties onto the normally nonmagnetic metals copper and manganese.
- Materials Science
Stretchy fiber lets electrons flow
Folded layers of carbon nanotubes allow an elastic fiber to conduct electrical current when stretched.
- Materials Science
Stretchy fiber keeps electrons flowing
Folded layers of carbon nanotubes allow an elastic fiber to conduct electrical current when stretched.
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- Materials Science
Like a balloon, peculiar magnet grows and shrinks
A recently discovered alloy of iron and gallium can expand and contract like a balloon when exposed to a magnetic field.
- Paleontology
Suds versus nanoparticles and more reader feedback
Readers discuss the posture of an ancient reptile and why washing machines and nanoparticles don't mix.
- Materials Science
Spiders spin stronger threads with nanotubes
Spiders sprayed with carbon nanotubes spin supertough strands of silk.
- Physics
Electron pairs can take the heat
Electrons have been found pairing up for the first time in a solid that is not in a superconducting state.
